Exam 40: Population Ecology and the Distribution of Organisms

The eight climographs in Figure 40.1 show yearly temperature (line graph and left vertical axis) and precipitation (bar graph and right vertical axis) averages for each month for some locations on Earth. Choose the climograph that best answers the question. Figure 40.1 -Which climograph shows the climate for location 4?

Palm trees and subtropical plants are commonplace in Land's End, England, whose latitude is the equivalent of Labrador in coastal Canada, where the local flora is subarctic. Which statement best explains why this apparent anomaly exists between North America and Europe?

Which variables define the ecological life history of a species?

Use the survivorship curves in Figure 40.3 to answer the following questions. Figure 40.3 -Which statement best explains survivorship curve B?

Trees are rare in the savanna biome because of

Which of the following are important biotic factors that can affect the structure and organization of biological communities?

Studying species transplants is a way that ecologists

Use the survivorship curves in Figure 40.3 to answer the following questions. Figure 40.3 -Which curve best describes survivorship in elephants?

In which of the following terrestrial biome pairs are both dependent upon periodic burning?

Which of the following could be a density-independent factor limiting human population growth?

To construct a reproductive table for a sexual species, one needs to

In 2008, the population of New Zealand was approximately 4,275,000 people. If the birth rate was 14 births for every 1,000 people, approximately how many births occurred in New Zealand in 2008?

Which of the following levels of ecological organization is arranged in the correct sequence from most to least inclusive?

Logistic growth of a population is represented by dN/dt =

Figure 40.2 shows a generalized cross section of the marine environment with various zones labeled with letters. Choose the letter that best answers the question. Figure 40.2 -Which zone produces the most global oxygen?

Natural selection involves energetic trade-offs between

Figure 40.2 shows a generalized cross section of the marine environment with various zones labeled with letters. Choose the letter that best answers the question. Figure 40.2 -Which zone has a condition of constant temperature?

Uniform spacing patterns in plants such as the creosote bush are most often associated with

Which of the following best defines a cohort?

In July 2008, the United States had a population of approximately 302,000,000 people. How many Americans were there in July 2009, if the estimated 2008 growth rate was 0.88%?